Malware Analysis Report

2024-10-19 13:00

Sample ID 240217-1yfp3sbf99
Target 4829477311b0acd4dddd9d127c29da97ed760eda4cdfea8854cb8af7d8f4657c.bin
SHA256 4829477311b0acd4dddd9d127c29da97ed760eda4cdfea8854cb8af7d8f4657c
Tags
ermac banker evasion infostealer stealth trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4829477311b0acd4dddd9d127c29da97ed760eda4cdfea8854cb8af7d8f4657c

Threat Level: Known bad

The file 4829477311b0acd4dddd9d127c29da97ed760eda4cdfea8854cb8af7d8f4657c.bin was found to be: Known bad.

Malicious Activity Summary

ermac banker evasion infostealer stealth trojan

Ermac2 payload

Ermac

Ermac family

Removes its main activity from the application launcher

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Makes use of the framework's Accessibility service

Requests enabling of the accessibility settings.

Queries the unique device ID (IMEI, MEID, IMSI)

Acquires the wake lock

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

Declares services with permission to bind to the system

Reads information about phone network operator.

Requests disabling of battery optimizations (often used to enable hiding in the background).

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-17 22:03

Signatures

Ermac family

ermac

Ermac2 payload

Description Indicator Process Target
N/A N/A N/A N/A

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Declares services with permission to bind to the system

Description Indicator Process Target
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A
Allows read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS N/A N/A
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW N/A N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-02-17 22:03

Reported

2024-02-17 22:16

Platform

android-x64-arm64-20231215-en

Max time kernel

156s

Max time network

164s

Command Line

com.taciciyarodayape.dedinoze

Signatures

Ermac

banker trojan infostealer ermac

Makes use of the framework's Accessibility service

Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker
Description Indicator Process Target
Framework service call android.content.pm.IPackageManager.getInstalledApplications N/A N/A

Removes its main activity from the application launcher

stealth trojan
Description Indicator Process Target
N/A N/A N/A N/A

Requests enabling of the accessibility settings.

Description Indicator Process Target
Intent action android.settings.ACCESSIBILITY_SETTINGS N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

Reads information about phone network operator.

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.taciciyarodayape.dedinoze

Network

Country Destination Domain Proto
GB 142.250.200.46:443 tcp
GB 142.250.200.46:443 tcp
GB 172.217.169.10:443 udp
N/A 224.0.0.251:5353 udp
GB 142.250.178.14:443 udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.204.72:443 ssl.google-analytics.com tcp
IE 74.234.3.141:3434 74.234.3.141 tcp
IE 74.234.3.141:3434 74.234.3.141 tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-17 22:03

Reported

2024-02-17 22:15

Platform

android-x86-arm-20231215-en

Max time kernel

40s

Max time network

151s

Command Line

com.taciciyarodayape.dedinoze

Signatures

Ermac

banker trojan infostealer ermac

Makes use of the framework's Accessibility service

Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker
Description Indicator Process Target
Framework service call android.content.pm.IPackageManager.getInstalledApplications N/A N/A

Removes its main activity from the application launcher

stealth trojan
Description Indicator Process Target
N/A N/A N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.taciciyarodayape.dedinoze

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.212.202:443 semanticlocation-pa.googleapis.com tcp
IE 74.234.3.141:3434 74.234.3.141 tcp
IE 74.234.3.141:3434 74.234.3.141 tcp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.213.14:443 android.apis.google.com tcp
GB 216.58.212.202:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.179.226:443 tcp
GB 216.58.201.110:443 tcp
GB 216.58.212.202:443 semanticlocation-pa.googleapis.com tcp
GB 216.58.212.202:443 semanticlocation-pa.googleapis.com tcp
GB 216.58.212.202:443 semanticlocation-pa.googleapis.com tcp
GB 172.217.169.35:443 tcp
GB 172.217.169.35:443 tcp
GB 142.250.200.14:443 tcp
GB 172.217.169.35:443 tcp
GB 172.217.169.35:443 tcp
GB 142.250.200.14:443 tcp
GB 216.58.213.14:443 android.apis.google.com tcp
IE 74.234.3.141:3434 74.234.3.141 tcp
IE 74.234.3.141:3434 74.234.3.141 tcp
IE 74.234.3.141:3434 74.234.3.141 tcp
IE 74.234.3.141:3434 74.234.3.141 tcp
IE 74.234.3.141:3434 74.234.3.141 tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-17 22:03

Reported

2024-02-17 22:15

Platform

android-x64-20231215-en

Max time kernel

147s

Max time network

157s

Command Line

com.taciciyarodayape.dedinoze

Signatures

Ermac

banker trojan infostealer ermac

Makes use of the framework's Accessibility service

Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker
Description Indicator Process Target
Framework service call android.content.pm.IPackageManager.getInstalledApplications N/A N/A

Removes its main activity from the application launcher

stealth trojan
Description Indicator Process Target
N/A N/A N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

Uses Crypto APIs (Might try to encrypt user data)

Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.taciciyarodayape.dedinoze

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.16.232:443 ssl.google-analytics.com tcp
IE 74.234.3.141:3434 74.234.3.141 tcp
IE 74.234.3.141:3434 74.234.3.141 tcp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 216.58.213.4:443 tcp
GB 216.58.213.4:443 tcp
GB 172.217.169.46:443 tcp
GB 172.217.16.226:443 tcp

Files

N/A